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52C8624-1 — BOLT,U

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

52C8624-1: BOLT,U.

The BOLT,U is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1045 OVERALL, thread_class: 2A A, thread_length: 3.440 INCHES MINIMUM AND 3.560 INCHES MAXIMUM IN, style_designator: SQUARE BEND, thread_direction: RIGHT-HAND, nominal_thread_diameter: 0.625 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-260-8915, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
52C8624-1
NSN: 5306-01-260-8915
FSC: 5306 — Bolts
CAGE: 21439 — CURTISS-WRIGHT FLOW CONTROL SERVICE, LLC DBA ENGINEERED ARRESTING SYSTEMS - ESCO DIV CW FLOW CONTROL SVC LLC DBA (USA)
SPECIFICATIONS
materialSTEEL COMP 1045 OVERALL
thread_class2A A
thread_length3.440 INCHES MINIMUM AND 3.560 INCHES MAXIMUM IN
style_designatorSQUARE BEND
thread_directionRIGHT-HAND
nominal_thread_diameter0.625 INCHES IN
thread_quantity_per_inch18
thread_series_designatorUNF
inside_distance_between_shanks3.125 INCHES NOMINAL IN
material_document_and_classificationASTM A576 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
distance_from_inside_center_of_bend_to_bolt_end7.815 INCHES MINIMUM AND 7.935 INCHES MAXIMUM IN
NSN5306-01-260-8915
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 52C8624-1 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
INSIDE DISTANCE BETWEEN SHANKS: 3.125 INCHES NOMINAL IN
•
THREAD LENGTH: 3.440 INCHES MINIMUM AND 3.560 INCHES MAXIMUM IN
•
DISTANCE FROM INSIDE CENTER OF BEND TO BOLT END: 7.815 INCHES MINIMUM AND 7.935 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SQUARE BEND
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A576 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.625 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD CLASS: 2A A
TECHNICAL CHARACTERISTICS
INSIDE DISTANCE BETWEEN SHANKS3.125 INCHES NOMINAL IN
THREAD LENGTH3.440 INCHES MINIMUM AND 3.560 INCHES MAXIMUM IN
DISTANCE FROM INSIDE CENTER OF BEND TO BOLT END7.815 INCHES MINIMUM AND 7.935 INCHES MAXIMUM IN
STYLE DESIGNATORSQUARE BEND
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A576 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.625 INCHES IN
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2A A
THREAD QUANTITY PER INCH18
MATERIALSTEEL COMP 1045 OVERALL
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
SUBSTITUTES & CROSS-REFERENCES 1
5306PL0824338Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 52C8624-1?
52C8624-1 is a BOLT,U.
What parts can replace 52C8624-1?
There is 1 known substitute for 52C8624-1: 5306PL0824338. Substitute compatibility should be verified for your specific system.
What is the NSN for 52C8624-1?
52C8624-1 is cataloged in the U.S. Government catalog under NSN 5306-01-260-8915. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.